| ECO A20 in 2007 play it! crafty defeats black's crafty in 129 moves | 1. c4 e5 2. a4 Bb4 3. Nc3 Nc6 4. Nd5 d6 5. Nxb4 Nxb4 6. d3 Ne7 7. Nf3 O-O 8. Bd2 Nec6 9. h3 b6 10. g4 Be6 11. Bg2 f6 12. b3 d5 13. cxd5 Bxd5 14. O-O a5 15. e4 Bf7 16. Rc1 Qxd3 17. Bxb4 Qxd1 18. Rfxd1 Nxb4 19. Rxc7 Bxb3 20. Rdd7 Rf7 21. Rxf7 Bxf7 22. g5 Be8 23. gxf6 gxf6 24. Nh2 Bxa4 25. Ng4 Rf8 26. Nh6+ Kh8 27. Nf7+ Kg7 28. Nxe5+ Kh6 29. Nc4 Rb8 30. Nd6 Nd3 31. h4 Kh5 32. Bf3+ Kg6 33. Nf5 Rg8 34. Ne7+ Kf7+ 35. Nxg8+ Kxg8 36. Kf1 Bb5 37. Be2 Ba6 38. f3 a4 39. Ra7 Bb5 40. Kg1 h6 41. Bxd3 Bxd3 42. Rxa4 Kg7 43. Kf2 f5 44. e5 b5 45. Ra7+ Kg6 46. Ke3 Bc4 47. Ra6+ Kg7 48. Rb6 h5 49. Rf6 b4 50. Kd4 Bg8 51. Rxf5 b3 52. Kc3 Bf7 53. f4 Kg8 54. Rg5+ Kf8 55. f5 Bd5 56. Rxh5 Ke7 57. Rh7+ Ke8 58. f6 Kf8 59. h5 Be4 60. Rg7 Ke8 61. e6 Kd8 62. e7+ Ke8 63. Rg8+ Kf7 64. e8=Q+ Kxf6 65. Rf8+ |
| ECO A20 in 2007 play it! crafty defeats black's crafty by checkmate in 59 moves | 1. c4 e5 2. a4 Bb4 3. b3 d5 4. Ba3 Bxa3 5. Nxa3 d4 6. e4 Nf6 7. f3 Nc6 8. g3 Qe7 9. Nc2 O-O 10. Qb1 Nh5 11. Qb2 f5 12. exf5 Bxf5 13. O-O-O Bxc2 14. Kxc2 Nf6 15. Re1 e4 16. Kd1 Qb4 17. Bh3 Ne5 18. Qc2 Nxf3 19. Nxf3 exf3 20. Rhf1 Qe7 21. Rxe7 Rae8 22. Rxc7 Re2 23. Rxf3 Rfe8 24. Qf5 Re1+ 25. Kc2 R1e5 26. Rxg7+ Kxg7 27. Qxf6+ Kg8 28. Bd7 Rh5 29. Be6+ Rxe6 30. Qf8# |
| ECO A20 in 2007 play it! crafty defeats black's crafty by checkmate in 99 moves | 1. c4 e5 2. a4 Bb4 3. Nc3 Nc6 4. Nd5 d6 5. Nxb4 Nxb4 6. d3 b6 7. a5 Bd7 8. Nf3 Nf6 9. Bd2 Nc6 10. axb6 axb6 11. g3 Rxa1 12. Qxa1 e4 13. dxe4 Nxe4 14. Bg2 Nxd2 15. Nxd2 O-O 16. b3 Re8 17. Qc3 Ne5 18. f4 Ng4 19. e4 b5 20. O-O bxc4 21. Nxc4 Qb8 22. Ra1 Re7 23. e5 Qb5 24. Ra5 Qb8 25. Ra8 Qxa8 26. Bxa8 dxe5 27. fxe5 Re8 28. Bf3 Be6 29. Nd2 Rc8 30. Bb7 Re8 31. Qxc7 h6 32. b4 Kf8 33. Ne4 Re7 34. Qd6 Bd7 35. Nc5 Bb5 36. Ba6 Be8 37. e6 Nf6 38. Bc4 h5 39. Qd8 Rxe6 40. Nxe6+ fxe6 41. Bxe6 Ne4 42. Bd5 h4 43. gxh4 g5 44. Bxe4 gxh4 45. Bc6 Kg7 46. Qxe8 Kh6 47. Qe7 h3 48. Be4 Kh5 49. Qf6 Kg4 50. Bf3# |
| ECO A20 in 2007 play it! crafty defeats black's crafty by checkmate in 71 moves | 1. c4 e5 2. a4 Bb4 3. Nc3 Nc6 4. Nd5 d6 5. Nxb4 Nxb4 6. d3 Ne7 7. g3 Nec6 8. Bd2 O-O 9. Bg2 Qf6 10. a5 Rb8 11. Ra4 Na6 12. b4 Nd4 13. e3 Ne6 14. Nf3 Bd7 15. Ra2 c5 16. b5 Nb4 17. Bxb4 cxb4 18. a6 Nc5 19. axb7 Bf5 20. d4 exd4 21. Qxd4 Qxd4 22. Nxd4 Be6 23. Nxe6 Rbc8 24. bxc8=Q Nd3+ 25. Kd2 Rxc8 26. Kxd3 fxe6 27. Rxa7 Rf8 28. b6 h5 29. Rb1 h4 30. b7 hxg3 31. Ra8 Rc8 32. bxc8=Q+ Kf7 33. Ra7+ Kg6 34. Qxe6+ Kh5 35. Rxg7 d5 36. Qh3# |
| ECO A20 in 2007 play it! crafty defeats black's crafty by checkmate in 95 moves | 1. c4 e5 2. a4 Bb4 3. Nc3 Nc6 4. Nd5 d6 5. Nxb4 Nxb4 6. d3 Ne7 7. Nf3 O-O 8. Bd2 a5 9. g3 f6 10. Bg2 Be6 11. Qb3 Nec6 12. e4 b6 13. O-O Kh8 14. Rfe1 Bg4 15. Qc3 Bxf3 16. Bxf3 Nd4 17. Bd1 f5 18. exf5 Rxf5 19. f4 Qe8 20. Be3 c5 21. Bg4 Rf8 22. Bxd4 cxd4 23. Qb3 Qg6 24. Bf3 Nxd3 25. Bxa8 Nxe1 26. Rxe1 Rxa8 27. Qxb6 exf4 28. Qc6 Rb8 29. Qc7 Rf8 30. Rf1 f3 31. Qe7 Qf7 32. Qxf7 f2+ 33. Rxf2 Rxf7 34. Rxf7 h5 35. Ra7 Kg8 36. Rxa5 h4 37. Rd5 d3 38. a5 g5 39. a6 Kf8 40. a7 hxg3 41. a8=Q+ Ke7 42. Qb7+ Ke6 43. hxg3 d2 44. Rxd2 d5 45. Qxd5+ Kf6 46. Rf2+ Ke7 47. Rf7+ Ke8 48. Qd7# |
| ECO A20 in 2007 play it! crafty defeats black's crafty by checkmate in 93 moves | 1. c4 e5 2. a4 Bb4 3. b3 d5 4. Ba3 Bxa3 5. Nxa3 d4 6. f3 Nf6 7. e4 dxe3 8. dxe3 Qe7 9. Nb5 O-O 10. Qc2 a6 11. Nc3 Qc5 12. e4 Rd8 13. Rd1 Rxd1+ 14. Qxd1 Nc6 15. Nd5 Nxd5 16. cxd5 Nd4 17. Bc4 b5 18. Bd3 Qb4+ 19. Kf2 Nxb3 20. Ne2 bxa4 21. Qc2 Qb6+ 22. Kf1 Qc5 23. f4 exf4 24. h4 f5 25. Ke1 fxe4 26. Bxe4 g6 27. Bxg6 Qd4 28. Bxh7+ Kh8 29. Nxd4 Nxd4 30. Qxc7 Bf5 31. Bxf5 Nxf5 32. Qxf4 Ng7 33. Qxa4 Rb8 34. Ke2 Kg8 35. Qxa6 Rb2+ 36. Kf3 Rb3+ 37. Kg4 Rb4+ 38. Kg5 Rd4 39. Qc8+ Kh7 40. Qc2+ Kg8 41. Kh6 Ne8 42. Qh7+ Kf8 43. Rf1+ Nf6 44. Rxf6+ Ke8 45. Qg8+ Kd7 46. Qg7+ Ke8 47. Rf8# |
| ECO A20 in 2007 play it! crafty defeats black's crafty by checkmate in 93 moves | 1. c4 e5 2. a4 Bb4 3. Nc3 Nc6 4. Nd5 d6 5. Nxb4 Nxb4 6. d3 Ne7 7. Nf3 O-O 8. Bd2 Nec6 9. h3 h6 10. g3 Be6 11. Bg2 e4 12. dxe4 Bxc4 13. O-O Qe7 14. Nh4 Qe6 15. Nf5 Bb3 16. Qc1 Nc2 17. Rb1 Kh7 18. a5 Rae8 19. Kh2 Qg6 20. e3 Ne5 21. Bc3 f6 22. Nd4 Nxd4 23. exd4 Nc4 24. f4 Qh5 25. Bf3 Qb5 26. Ra1 c6 27. Qe1 f5 28. e5 Re7 29. Rc1 Rd8 30. Be2 Qd5 31. Rf3 g6 32. Bb4 Nxb2 33. Qc3 Bc4 34. Qxb2 Qc5 35. Bxc4 Qxb4 36. Qxb4 Red7 37. exd6 b5 38. axb6 axb6 39. Re3 Rxd6 40. Rce1 h5 41. Re6 Rxe6 42. Rxe6 c5 43. Qxb6 Rxd4 44. Qc7+ Kh6 45. Qf7 Rd2+ 46. Kg1 Rd4 47. Qxg6# |
| ECO A20 in 2007 play it! crafty defeats black's crafty by checkmate in 89 moves | 1. c4 e5 2. a4 Bb4 3. b3 d5 4. Ba3 Bxa3 5. Nxa3 Nf6 6. cxd5 O-O 7. Rc1 Nxd5 8. e4 Nf4 9. g3 Nd3+ 10. Bxd3 Qxd3 11. f3 Nc6 12. Nb5 Be6 13. Rc3 Qd7 14. Ne2 a6 15. Na3 f5 16. exf5 Bxf5 17. O-O Rad8 18. Nc4 Bd3 19. Rf2 Bxc4 20. Rxc4 Qxd2 21. Qf1 Qd1 22. Qxd1 Rxd1+ 23. Kg2 Rf7 24. Re4 g6 25. f4 exf4 26. Nxf4 Ne7 27. Rfe2 Nd5 28. Re8+ Rf8 29. Rxf8+ Kg7 30. Rb8 Nxf4+ 31. gxf4 b5 32. Re7+ Kf6 33. Rxh7 bxa4 34. bxa4 c6 35. Ra8 Rd4 36. Rxa6 Rxf4 37. Rxc6+ Ke5 38. Rxg6 Rd4 39. Rh5+ Kf4 40. Rh4+ Kf5 41. Rxd4 Ke5 42. Rgd6 Kf5 43. Kf3 Kg5 44. R4d5+ Kh4 45. Rh6# |
| ECO A20 in 2007 play it! crafty defeats black's crafty by checkmate in 109 moves | 1. c4 e5 2. a4 Bb4 3. Nc3 Nc6 4. Nd5 d6 5. Nxb4 Nxb4 6. d3 Ne7 7. g3 Nec6 8. Bd2 Bg4 9. f3 Be6 10. Bg2 O-O 11. Ra3 a5 12. Nh3 f6 13. O-O d5 14. cxd5 Qxd5 15. Nf2 Qd4 16. Qc1 Qb6 17. e3 Rad8 18. f4 exf4 19. gxf4 Bd5 20. Bxd5+ Nxd5 21. Kh1 f5 22. e4 fxe4 23. dxe4 Nf6 24. Be3 Qa6 25. Re1 Rf7 26. Rc3 g6 27. b3 Rdd7 28. Rc5 Qb6 29. e5 Rd6 30. Rb5 Qa6 31. exd6 cxd6 32. f5 gxf5 33. Rxf5 Ne7 34. Bh6 Qc6+ 35. Qxc6 bxc6 36. Rxe7 Rxe7 37. Rxf6 Rf7 38. Rxf7 Kxf7 39. Kg2 Ke6 40. Kf3 Kd5 41. Ne4 Ke6 42. Bd2 h5 43. h4 d5 44. Ng3 c5 45. Nxh5 Kf5 46. Bxa5 c4 47. bxc4 dxc4 48. Ng7+ Kg6 49. Bc3 Kf7 50. a5 Ke7 51. a6 Kd7 52. a7 Kd6 53. a8=Q Ke7 54. Qc6 Kd8 55. Bf6# |
| ECO A20 in 2007 play it! crafty defeats black's crafty by checkmate in 99 moves | 1. c4 e5 2. a4 Bb4 3. Nc3 Nc6 4. Nd5 d6 5. Nxb4 Nxb4 6. d3 Ne7 7. Bd2 Nec6 8. g3 Bg4 9. f3 Be6 10. Bg2 O-O 11. Ra3 d5 12. cxd5 Nxd5 13. Nh3 f6 14. O-O Qd6 15. Nf2 Rad8 16. Ne4 Qe7 17. e3 f5 18. Nf2 f4 19. gxf4 exf4 20. exf4 Nxf4 21. Bxf4 Rxf4 22. Re1 Nd4 23. Re4 Rdf8 24. Rxf4 Rxf4 25. Ne4 Qb4 26. Rc3 Qxb2 27. Rc5 Bb3 28. Qd2 Qa1+ 29. Kf2 Rf7 30. Ra5 a6 31. Qc3 Qa2+ 32. Qd2 Bc2 33. Nc3 Nb3 34. Qe2 Rf6 35. Nxa2 Nxa5 36. Qxc2 Rf7 37. Nb4 h6 38. Qc3 b6 39. Nxa6 c6 40. Qd4 Rb7 41. Bh3 Re7 42. Qxb6 Re1 43. Kxe1 Kf7 44. Qxa5 Ke8 45. Qe5+ Kf8 46. a5 h5 47. Be6 Ke7 48. Ba2+ Kd7 49. Bf7 g5 50. Qc7# |
| ECO A20 in 2007 play it! crafty defeats black's crafty by checkmate in 97 moves | 1. c4 e5 2. a4 Bb4 3. Nc3 Nc6 4. Nd5 d6 5. Nxb4 Nxb4 6. d3 Ne7 7. Nf3 O-O 8. Bd2 Nec6 9. Ra3 b6 10. g3 Qf6 11. Bg2 Qf4 12. gxf4 exf4 13. Bxf4 Bf5 14. e4 Bg4 15. h3 Bh5 16. Qd2 Rae8 17. a5 f5 18. Kf1 fxe4 19. Ne1 exd3 20. Bxc6 Nxc6 21. Nxd3 Nxa5 22. b3 Be2+ 23. Qxe2 Rxe2 24. Kxe2 Nc6 25. Be3 Re8 26. Kd2 a5 27. Re1 Rf8 28. Nf4 Ne5 29. Rd1 Kf7 30. Nd5 Rc8 31. f4 Nf3+ 32. Kc3 g6 33. b4 Re8 34. bxa5 c6 35. Bxb6 cxd5 36. Rxd5 Ne1 37. a6 Ng2 38. a7 Re6 39. a8=Q Nxf4 40. Rd2 g5 41. Ra7+ Re7 42. Rxe7+ Kxe7 43. Qg8 h6 44. Bd8+ Kd7 45. Qf7+ Kxd8 46. Rxd6+ Kc8 47. Qd7+ Kb8 48. Rb6+ Ka8 49. Qa4# |
| ECO A20 in 2007 play it! crafty defeats black's crafty in 127 moves | 1. c4 e5 2. a4 Bb4 3. b3 d5 4. Ba3 Bxa3 5. Nxa3 d4 6. e4 Nf6 7. f3 Nc6 8. Qb1 O-O 9. g3 Qd6 10. Bh3 Be6 11. Nb5 Qe7 12. Bxe6 fxe6 13. Nh3 a6 14. Na3 Rad8 15. O-O d3 16. Nf2 Qc5 17. Kg2 Qd4 18. b4 b6 19. Qb3 Rf7 20. Rae1 a5 21. Nb5 Qd7 22. bxa5 Nxa5 23. Qb4 Qe7 24. Qc3 Rd6 25. Nxd6 cxd6 26. c5 dxc5 27. Nxd3 Nc6 28. Nxe5 Nxe5 29. Qxe5 Nd7 30. Qc7 g6 31. f4 Qe8 32. a5 bxa5 33. Qxa5 Qf8 34. Qa6 Qe8 35. Qc6 Qe7 36. d3 Nf6 37. Rc1 Qd7 38. Qxd7 Rxd7 39. Rf3 Rc7 40. Rc4 Kf7 41. Kh3 Ke7 42. g4 Nd7 43. d4 Rc8 44. Kg2 Nf6 45. dxc5 Nxg4 46. c6 Rc7 47. Kg3 Nh6 48. Rb3 Kd6 49. Rb7 Rxc6 50. Rxc6+ Kxc6 51. Rxh7 Ng8 52. Rg7 Nf6 53. Kf3 Nd7 54. h4 Kd6 55. Rxg6 Ke7 56. Rg7+ Ke8 57. h5 Nc5 58. h6 Kf8 59. Rg5 Nd3 60. h7 Nxf4 61. h8=Q+ Ke7 62. Kxf4 Kd6 63. Qe5+ Kd7 64. Qb5+ |
| ECO A20 in 2007 play it! crafty defeats black's crafty by checkmate in 117 moves | 1. c4 e5 2. a4 Bb4 3. b3 d5 4. Ba3 Bxa3 5. Nxa3 Nf6 6. cxd5 Qxd5 7. Nb5 Na6 8. Rc1 c6 9. Nc3 Qd6 10. e4 Nc5 11. Qc2 Be6 12. Rb1 Rd8 13. Nf3 Bg4 14. h3 Bxf3 15. gxf3 O-O 16. Rg1 Nd3+ 17. Bxd3 Qxd3 18. Qxd3 Rxd3 19. Ke2 Rfd8 20. Nd5 cxd5 21. Kxd3 dxe4+ 22. Ke2 exf3+ 23. Kxf3 Rd3+ 24. Ke2 Rxh3 25. Rgc1 Ne8 26. Rc5 e4 27. Rd5 h5 28. Rd7 b6 29. Rxa7 Nf6 30. Rc1 Rxb3 31. Rcc7 b5 32. Rxf7 Ne8 33. axb5 Rxb5 34. Rfe7 Kf8 35. Rxe4 Nd6 36. Ree7 Nf5 37. Red7 Kg8 38. Kf3 h4 39. Kg4 h3 40. Kxh3 Rb4 41. d3 Kh7 42. Ra6 Rf4 43. Kg2 Kg8 44. Rc7 Kh7 45. Rc4 Rd4 46. Rxd4 Nxd4 47. Kg3 Kg8 48. Kf4 Kf7 49. Ke4 Ne6 50. d4 g5 51. Ke5 Nf4 52. f3 Ke8 53. d5 Kd7 54. Ra7+ Kd8 55. Rg7 Nh3 56. d6 Kc8 57. Kd5 g4 58. Kc6 Ng5 59. Rg8# |
| ECO A20 in 2007 play it! crafty defeats black's crafty by checkmate in 67 moves | 1. c4 e5 2. a4 Bb4 3. Nc3 Nc6 4. Nd5 d6 5. Nxb4 Nxb4 6. d3 b6 7. a5 bxa5 8. Rxa5 Nc6 9. Ra2 Nge7 10. g3 Rb8 11. Bg2 O-O 12. Bd2 Nd4 13. Nf3 Nec6 14. Nxd4 Nxd4 15. b4 Bb7 16. Bxb7 Rxb7 17. e3 Ne6 18. b5 Qc8 19. Bb4 Rd8 20. Ra6 d5 21. Qe2 dxc4 22. dxc4 Qa8 23. O-O Rb6 24. Ra3 Rd7 25. c5 Rb8 26. f3 e4 27. c6 Rd5 28. Ra5 exf3 29. Qxf3 Rb7 30. cxb7 Qd8 31. Qxf7+ Kh8 32. Be7 Qc8 33. bxc8=Q+ Nd8 34. Qe8# |
| ECO A20 in 2007 play it! crafty defeats black's crafty by checkmate in 35 moves | 1. c4 e5 2. a4 Bb4 3. Nc3 Nc6 4. Nd5 d6 5. Nxb4 Nxb4 6. d3 Ne7 7. Nf3 O-O 8. Bd2 Nec6 9. h3 h6 10. g3 Be6 11. Bg2 e4 12. dxe4 Bxc4 13. O-O Qe7 14. Nh4 Qe6 15. Bxb4 Nxb4 16. Nf5 Rae8 17. Qd4 Bb5 18. Qxg7# |
| ECO A20 in 2007 play it! crafty defeats black's crafty by checkmate in 87 moves | 1. c4 e5 2. a4 Bb4 3. Nc3 Nc6 4. Nd5 d6 5. Nxb4 Nxb4 6. d3 Ne7 7. Nf3 O-O 8. Bd2 Nec6 9. h3 h6 10. g3 Be6 11. Bg2 e4 12. dxe4 Bxc4 13. O-O Qe7 14. b3 Be6 15. Qb1 a5 16. Rc1 f6 17. Bxb4 axb4 18. Qc2 Qd7 19. h4 Qf7 20. Rab1 Ra5 21. Nd2 Re8 22. e3 Rc5 23. Qa2 Rxc1+ 24. Rxc1 Ne5 25. f4 Ng4 26. Bf3 g6 27. Qc2 Nxe3 28. Qxc7 d5 29. Qxf7+ Bxf7 30. Rc7 b6 31. Kf2 d4 32. Rd7 Nc2 33. Rb7 Re6 34. Nc4 Kf8 35. Nxb6 Re7 36. Rxe7 Bd5 37. Nxd5 d3 38. a5 Nd4 39. a6 Nc6 40. Rc7 Na7 41. Rxa7 g5 42. Re7 g4 43. a7 d2 44. a8=Q# |
| ECO A20 in 2007 play it! crafty defeats black's crafty by checkmate in 73 moves | 1. c4 e5 2. a4 Bb4 3. Nc3 Nc6 4. Nd5 d6 5. Nxb4 Nxb4 6. d3 Ne7 7. Nf3 O-O 8. Bd2 Nec6 9. h3 b6 10. g4 Qf6 11. Qb3 a5 12. Bg2 Bb7 13. O-O Rab8 14. Qc3 h6 15. e4 Qe7 16. Qb3 Kh8 17. Qc3 Rbd8 18. g5 h5 19. b3 Qe6 20. Rfd1 Ne7 21. Nh4 Bc6 22. d4 Qf6 23. gxf6 Nd3 24. fxe7 Nf4 25. exd8=Q Rxd8 26. Bxf4 exf4 27. Qf3 g6 28. Qxf4 Kg8 29. c5 Rd7 30. cxb6 cxb6 31. Qf6 Bb7 32. Rac1 b5 33. Nxg6 fxg6 34. Qe6+ Rf7 35. Rc7 Ba6 36. Rxf7 d5 37. Qe8# |
| ECO A20 in 2007 play it! crafty defeats black's crafty by checkmate in 117 moves | 1. c4 e5 2. a4 Bb4 3. Nc3 Nc6 4. Nd5 d6 5. Nxb4 Nxb4 6. d3 Ne7 7. Bd2 Nec6 8. g3 Bg4 9. f3 Be6 10. Bg2 O-O 11. Ra3 a5 12. Nh3 f6 13. O-O d5 14. cxd5 Qxd5 15. Nf2 Qd4 16. Qc1 Qb6 17. e3 Rfe8 18. Ne4 Rad8 19. Qb1 Nd5 20. Qc1 Kh8 21. Nc5 Bf7 22. Bh3 Ndb4 23. Bd7 Re7 24. Bxc6 Qxc6 25. Bxb4 axb4 26. Ra1 Rd5 27. Nb3 Rxd3 28. Qxc6 bxc6 29. Nc5 Rd5 30. Rac1 Re8 31. a5 Kg8 32. a6 Ra8 33. Rfd1 Kf8 34. e4 Rxc5 35. Rxc5 Rxa6 36. f4 exf4 37. gxf4 Ke7 38. Kf2 Ra2 39. Rxc6 Rxb2+ 40. Ke3 Ke8 41. Rxc7 Rb3+ 42. Kd4 Kf8 43. Rdc1 Rf3 44. Rb7 Be8 45. Rc8 Rc3 46. Rxc3 bxc3 47. Rc7 h6 48. Kxc3 g5 49. f5 g4 50. Kd4 Bf7 51. e5 fxe5+ 52. Kxe5 h5 53. Kf6 Be8 54. Rc8 h4 55. Ke6 g3 56. f6 Kg8 57. f7+ Kf8 58. Kf6 gxh2 59. fxe8=Q# |
| ECO A20 in 2007 play it! crafty defeats black's crafty by checkmate in 121 moves | 1. c4 e5 2. a4 Bb4 3. b3 d5 4. Ba3 Bxa3 5. Nxa3 Nf6 6. cxd5 Qxd5 7. Nb5 Na6 8. Rc1 c6 9. Nc3 Qd6 10. e4 Nc5 11. Qc2 Be6 12. Rb1 Rd8 13. Nf3 Bg4 14. Bc4 Bxf3 15. gxf3 Nd3+ 16. Bxd3 Qxd3 17. Qxd3 Rxd3 18. Rg1 O-O 19. Ke2 Rfd8 20. Nd5 cxd5 21. Kxd3 dxe4+ 22. Ke2 exf3+ 23. Kxf3 Rxd2 24. Rbd1 Rxd1 25. Rxd1 g5 26. Re1 e4+ 27. Kg3 Kg7 28. f3 Nh5+ 29. Kg4 Nf6+ 30. Kxg5 exf3 31. Kf4 Nd7 32. Kxf3 Kf6 33. Rc1 Ne5+ 34. Ke4 Ke6 35. Rc7 f5+ 36. Ke3 Ng4+ 37. Kf4 Ne5 38. Rxb7 Nd3+ 39. Ke3 Nc5 40. Rxa7 Nxb3 41. Rxh7 Ke5 42. Re7+ Kd6 43. Re8 Kd5 44. h4 Nc5 45. a5 Kd6 46. Kf4 Kd7 47. Re3 Na6 48. Kxf5 Nc7 49. h5 Kd6 50. h6 Nb5 51. h7 Nd4+ 52. Kf6 Nc6 53. h8=Q Kc5 54. Qe8 Nd4 55. Qe5+ Kc4 56. Re4 Kb3 57. Qxd4 Ka2 58. Qd2+ Ka3 59. Qd3+ Ka2 60. Qb5 Ka3 61. Ra4# |
| ECO A20 in 2007 play it! crafty defeats black's crafty in 135 moves | 1. c4 e5 2. a4 Bb4 3. Nc3 Nc6 4. Nd5 d6 5. Nxb4 Nxb4 6. d3 Ne7 7. Bd2 Nec6 8. g3 Bg4 9. f3 Be6 10. Bg2 O-O 11. Nh3 f6 12. O-O d5 13. cxd5 Qxd5 14. f4 Qd4+ 15. Nf2 exf4 16. Bxf4 Qxb2 17. Rb1 Qd4 18. Bxc6 bxc6 19. e3 Qb6 20. Bxc7 Qxc7 21. Rxb4 Rab8 22. Rxb8 Rxb8 23. Qd2 Qd6 24. d4 Qa3 25. Qa5 Qxe3 26. Re1 Qb3 27. Qxa7 Re8 28. Qa5 Qc4 29. Qh5 Rd8 30. Qe2 Bf7 31. a5 Qb4 32. a6 Bc4 33. Qe4 Bxa6 34. Qe6+ Kf8 35. Ra1 Bb7 36. Re1 Bc8 37. Qe3 Qxd4 38. Qe7+ Kg8 39. Rd1 Qxd1+ 40. Nxd1 Rxd1+ 41. Kg2 Rd2+ 42. Kf3 Bd7 43. h4 Rd5 44. g4 c5 45. Kg3 h6 46. Kf3 Rd3+ 47. Kf2 c4 48. Qe4 Bb5 49. Qe6+ Kf8 50. g5 hxg5 51. hxg5 Rd2+ 52. Kf3 Rd1 53. gxf6 Rf1+ 54. Kg3 Rxf6 55. Qc8+ Be8 56. Qc5+ Kf7 57. Qxc4+ Re6 58. Qf4+ Ke7 59. Qg5+ Kd6 60. Qxg7 Rg6+ 61. Qxg6+ Ke7 62. Qg5+ Ke6 63. Qe3+ Kf7 64. Qf4+ Ke6 65. Qe4+ Kf7 66. Qf5+ Ke7 67. Qe5+ Kd7 68. Qf5+ |